package com.atguigu.gulimall.order.config;

import com.atguigu.gulimall.order.entity.OrderEntity;
import com.rabbitmq.client.AMQP;
import com.rabbitmq.client.Channel;
import org.springframework.amqp.core.*;
import org.springframework.amqp.rabbit.annotation.RabbitHandler;
import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.io.IOException;
import java.util.HashMap;
import java.util.Map;


@Configuration
public class MyMQConfig {

    //@Bean Binding  、 Queue 、 Exchange
    /**
     * 容器中的Binding 、Queue 、Exchange 都会自动创建 （RabbitMQ没有情况）
     * RabbitMQ 只要有  @Bean 声明属性发生变化也不会覆盖
     * @return
     */
    @Bean
    public Queue orderDelayQueue(){
         /*
            Queue(String name,  队列名字
            boolean durable,  是否持久化
            boolean exclusive,  是否排他
            boolean autoDelete, 是否自动删除
            Map<String, Object> arguments) 属性
         */
        HashMap<String, Object> arguments = new HashMap<>();
        arguments.put("x-dead-letter-exchange", "order-event-exchange");
        arguments.put("x-dead-letter-routing-key", "order.release.order");
        arguments.put("x-message-ttl", 60000); // 消息过期时间 1分钟
        Queue queue = new Queue("order.delay.queue", true, false, false, arguments);

        return queue;
//        Map<String,Object> arguments = new HashMap<>();
//        arguments.put("x-dead-letter-exchange","order-event-exchange");
//        arguments.put("x-dead-letter-routing-key","order.release.order");
//        arguments.put("x-message-ttl","60000");
//       //String name ,Boolean durable,boolean exclusive,boolean autoDelete,Map<String,Object> arguments
//        Queue queue = new Queue("order.delay.queue",true,false,false,arguments);
//        /**
//         * x-dead-letter-exchange:order-event-exchange
//         * x-dead-letter-routing-key:order.release.order
//         * x-message-ttl: 60000
//         */
//        return queue;
    }
    @Bean
    public Queue orderReleaseOrderQueue(){
        //order.release.order.queue
        Queue queue = new Queue("order.release.order.queue", true, false, false);
//        Queue queue = new Queue("order.release.order.queue",true,false,false);
        return queue;
    }

    @Bean
    public Exchange orderEventExchange(){
        //String name,boolean durable,boolean autoDelete,Map<String,Object> arguments
//        return new TopicExchange("order-event-exchange",true,false);
        return new TopicExchange("order-event-exchange", true, false);
    }
    @Bean
    public Binding orderCreateOrderBinding(){
        /*
         * String destination, 目的地（队列名或者交换机名字）
         * DestinationType destinationType, 目的地类型（Queue、Exhcange）
         * String exchange,
         * String routingKey,
         * Map<String, Object> arguments
         * */
        return new Binding("order.delay.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.create.order",
                null);
    }
    @Bean
    public Binding orderReleaseOrderBinding(){
//        return new Binding("order.release.order.queue",
//                Binding.DestinationType.QUEUE,
//                "order-event-exchange",
//                "order.release.order",
//                null);

        return new Binding("order.release.order.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.release.order",
                null);
    }
    @Bean
    public Binding  OrderReleaseOtherBinding(){
        return new Binding("stock.release.stock.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.release.other.#",
                null);
    }
    /**
     * 商品秒杀队列
     */
    @Bean
    public Queue orderSeckillOrderQueue(){
        Queue queue = new Queue("order.seckill.order.queue",true,false,false);
        return queue;
    }
    @Bean
    public Binding orderSeckillOrderQueueBinding(){
        Binding binding = new Binding(
                "order.seckill.order.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.seckill.order",
                null);
        return binding;
    }
}
